add peft scheduling

better deadlock report by pim simulator

README.md

@@ -114,7 +114,9 @@ Pass these on the `onnx-mlir` command line when compiling for PIM:
   run only the codegen tail.
 - `--crossbar-size=<N>` / `--crossbar-count=<N>` — crossbar dimensions and
   per-core count.
-- `--core-count=<N>` — number of cores (`-1` picks the minimum).
+- `--core-count=<N>` — number of cores. Required for PIM compilation.
+- `--pim-merge-scheduler={peft,dcp}` — scheduler used by the Spatial
+  merge-compute-nodes pass (default: `peft`).
 - `--dcp-critical-window-size=<N>` — DCP coarsening window (0 = legacy).
 - `--use-experimental-conv-impl` — alternative convolution lowering.
 - `--ignore-concat-error` — soft-fail corner case in `ConcatOp`.
@@ -129,7 +131,8 @@ Per-operation validation (from `validation/`):
 ```
 validate.py \
     --raptor-path ../cmake-build-release/Release/bin/onnx-mlir \
-    --onnx-include-dir ../onnx-mlir/include
+    --onnx-include-dir ../onnx-mlir/include \
+    --core-count 1000
 ```
 
 End-to-end network validation (example: first 4 layers of YOLOv11n):